*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    
}
html {
    font-size: 13.33333333vw;
    height: 100%;
    
  }
  body {
      width: 100%;
    height: 100%;
    font-size: 20px;
  }
a{
    text-decoration: none;
    color: black;
}
input{
    border: none;
    outline: none;
}
ul,li,ol,li{
    list-style: none;
}
table{
    border-collapse: collapse;
}
.clearfix{
    content: "";
    display: block;
    clear: both;
}
i strong{
    font-style: normal;
}
img{
    display: block;
}
/* @media screen and (min-width:320px) {

    html {
        font-size: 42.67px;
    }

}
@media screen and (min-width:360px) {
    html {
        font-size: 48px;

    }
    
}
@media screen and (min-width:375px) {
    html {
        font-size: 50px;
    }
}
@media screen and (min-width:414px) {
    html {
        font-size: 55.2px;
    }
    
}
@media screen and (min-width:420px) {
    html {
        font-size: 56px;
    }
    
}
@media screen and (min-width:540px) {
    html {
        font-size: 72px;

    }
    
}

@media screen and (min-width:750px) {
   /* 预设基础值 */
    /* html {
        font-size: 100px;
    }
    
} */ 